public void testWindowsHiddenDirectory() throws Exception {
if (!SystemInfo.isWindows) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
File file = new File("C:\\Documents and Settings\\desktop.ini");
if (!file.exists()) {
System.err.println(getName() + " skipped: missing " + file);
return;
}
String parent = FileUtil.toSystemIndependentName(file.getParent());
VirtualDirectoryImpl.allowRootAccess(parent);
try {
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
NewVirtualFileSystem fs = (NewVirtualFileSystem) virtualFile.getFileSystem();
FileAttributes attributes = fs.getAttributes(virtualFile);
assertNotNull(attributes);
assertEquals(FileAttributes.Type.FILE, attributes.type);
assertEquals(FileAttributes.HIDDEN, attributes.flags);
} finally {
VirtualDirectoryImpl.disallowRootAccess(parent);
}
}
private void applyChildrenChangeEvents(VirtualFile parent, List<VFileEvent> events) {
final NewVirtualFileSystem delegate = getDelegate(parent);
TIntArrayList childrenIdsUpdated = new TIntArrayList();
List<VirtualFile> childrenToBeUpdated = new SmartList<VirtualFile>();
assert parent != null && parent != mySuperRoot;
final int parentId = getFileId(parent);
assert parentId != 0;
TIntHashSet parentChildrenIds = new TIntHashSet(FSRecords.list(parentId));
boolean hasRemovedChildren = false;
for (VFileEvent event : events) {
if (event instanceof VFileCreateEvent) {
String name = ((VFileCreateEvent) event).getChildName();
final VirtualFile fake = new FakeVirtualFile(parent, name);
final FileAttributes attributes = delegate.getAttributes(fake);
if (attributes != null) {
final int childId = createAndFillRecord(delegate, fake, parentId, attributes);
assert parent instanceof VirtualDirectoryImpl : parent;
final VirtualDirectoryImpl dir = (VirtualDirectoryImpl) parent;
VirtualFileSystemEntry child = dir.createChild(name, childId, dir.getFileSystem());
childrenToBeUpdated.add(child);
childrenIdsUpdated.add(childId);
parentChildrenIds.add(childId);
}
} else if (event instanceof VFileDeleteEvent) {
VirtualFile file = ((VFileDeleteEvent) event).getFile();
if (!file.exists()) {
LOG.error("Deleting a file, which does not exist: " + file.getPath());
continue;
}
hasRemovedChildren = true;
int id = getFileId(file);
childrenToBeUpdated.add(file);
childrenIdsUpdated.add(-id);
parentChildrenIds.remove(id);
}
}
FSRecords.updateList(parentId, parentChildrenIds.toArray());
if (hasRemovedChildren) clearIdCache();
VirtualDirectoryImpl parentImpl = (VirtualDirectoryImpl) parent;
for (int i = 0, len = childrenIdsUpdated.size(); i < len; ++i) {
final int childId = childrenIdsUpdated.get(i);
final VirtualFile childFile = childrenToBeUpdated.get(i);
if (childId > 0) {
parentImpl.addChild((VirtualFileSystemEntry) childFile);
} else {
FSRecords.deleteRecordRecursively(-childId);
parentImpl.removeChild(childFile);
invalidateSubtree(childFile);
}
}
}
private static void checkChildCount(VirtualFile virtualDir, int expectedCount) {
VirtualFile[] children = virtualDir.getChildren();
if (children.length != expectedCount) {
System.err.println("children:");
for (VirtualFile child : children) {
System.err.println(child.getPath());
}
}
assertEquals(expectedCount, children.length);
}
@Override
protected char[] appendPathOnFileSystem(int accumulatedPathLength, int[] positionRef) {
String parentPath = myParentLocalFile.getPath();
char[] chars =
new char
[parentPath.length() + JarFileSystem.JAR_SEPARATOR.length() + accumulatedPathLength];
positionRef[0] = copyString(chars, positionRef[0], myParentLocalFile.getPath());
positionRef[0] = copyString(chars, positionRef[0], JarFileSystem.JAR_SEPARATOR);
return chars;
}
public void testFileCaseChange() throws Exception {
if (SystemInfo.isFileSystemCaseSensitive) {
System.err.println("Ignored: case-insensitive FS required");
return;
}
File top = createTempDirectory(false);
File file = IoTestUtil.createTestFile(top, "file.txt", "test");
File intermediate = new File(top, "_intermediate_");
LocalFileSystem lfs = LocalFileSystem.getInstance();
VirtualFile topDir = lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
VirtualFile sourceFile = lfs.refreshAndFindFileByIoFile(file);
assertNotNull(sourceFile);
String newName = StringUtil.capitalize(file.getName());
FileUtil.rename(file, intermediate);
FileUtil.rename(intermediate, new File(top, newName));
topDir.refresh(false, true);
assertFalse(((VirtualDirectoryImpl) topDir).allChildrenLoaded());
assertTrue(sourceFile.isValid());
assertEquals(newName, sourceFile.getName());
topDir.getChildren();
newName = newName.toLowerCase();
FileUtil.rename(file, intermediate);
FileUtil.rename(intermediate, new File(top, newName));
topDir.refresh(false, true);
assertTrue(((VirtualDirectoryImpl) topDir).allChildrenLoaded());
assertTrue(sourceFile.isValid());
assertEquals(newName, sourceFile.getName());
}
public void testChildrenAccessedButNotCached() throws Exception {
File dir = createTempDirectory(false);
ManagingFS managingFS = ManagingFS.getInstance();
VirtualFile vFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(dir.getPath().replace(File.separatorChar, '/'));
assertNotNull(vFile);
assertFalse(managingFS.areChildrenLoaded(vFile));
assertFalse(managingFS.wereChildrenAccessed(vFile));
File child = new File(dir, "child");
boolean created = child.createNewFile();
assertTrue(created);
File subdir = new File(dir, "subdir");
boolean subdirCreated = subdir.mkdir();
assertTrue(subdirCreated);
File subChild = new File(subdir, "subdir");
boolean subChildCreated = subChild.createNewFile();
assertTrue(subChildCreated);
VirtualFile childVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(child.getPath().replace(File.separatorChar, '/'));
assertNotNull(childVFile);
assertFalse(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
VirtualFile subdirVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subdir.getPath().replace(File.separatorChar, '/'));
assertNotNull(subdirVFile);
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertFalse(managingFS.wereChildrenAccessed(subdirVFile));
assertFalse(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
vFile.getChildren();
assertTrue(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertFalse(managingFS.wereChildrenAccessed(subdirVFile));
VirtualFile subChildVFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subChild.getPath().replace(File.separatorChar, '/'));
assertNotNull(subChildVFile);
assertTrue(managingFS.areChildrenLoaded(vFile));
assertTrue(managingFS.wereChildrenAccessed(vFile));
assertFalse(managingFS.areChildrenLoaded(subdirVFile));
assertTrue(managingFS.wereChildrenAccessed(subdirVFile));
}
@Override
public VirtualFile createChildDirectory(
Object requestor, @NotNull VirtualFile parent, @NotNull String dir) throws IOException {
getDelegate(parent).createChildDirectory(requestor, parent, dir);
processEvent(new VFileCreateEvent(requestor, parent, dir, true, false));
final VirtualFile child = parent.findChild(dir);
if (child == null) {
throw new IOException("Cannot create child directory '" + dir + "' at " + parent.getPath());
}
return child;
}
@Override
public VirtualFile createChildFile(
Object requestor, @NotNull VirtualFile parent, @NotNull String file) throws IOException {
getDelegate(parent).createChildFile(requestor, parent, file);
processEvent(new VFileCreateEvent(requestor, parent, file, false, false));
final VirtualFile child = parent.findChild(file);
if (child == null) {
throw new IOException("Cannot create child file '" + file + "' at " + parent.getPath());
}
return child;
}
private void executeMove(@NotNull VirtualFile file, @NotNull VirtualFile newParent) {
clearIdCache();
final int fileId = getFileId(file);
final int newParentId = getFileId(newParent);
final int oldParentId = getFileId(file.getParent());
removeIdFromParentList(oldParentId, fileId, file.getParent(), file);
FSRecords.setParent(fileId, newParentId);
appendIdToParentList(newParentId, fileId);
((VirtualFileSystemEntry) file).setParent(newParent);
}
public void testFindRoot() throws IOException {
VirtualFile root = LocalFileSystem.getInstance().findFileByPath("wrong_path");
assertNull(root);
VirtualFile root2;
if (SystemInfo.isWindows) {
root = LocalFileSystem.getInstance().findFileByPath("\\\\unit-133");
assertNotNull(root);
root2 = LocalFileSystem.getInstance().findFileByPath("//UNIT-133");
assertNotNull(root2);
assertEquals(String.valueOf(root2), root, root2);
RefreshQueue.getInstance().processSingleEvent(new VFileDeleteEvent(this, root, false));
root = LocalFileSystem.getInstance().findFileByIoFile(new File("\\\\unit-133"));
assertNotNull(root);
RefreshQueue.getInstance().processSingleEvent(new VFileDeleteEvent(this, root, false));
if (new File("c:").exists()) {
root = LocalFileSystem.getInstance().findFileByPath("c:");
assertNotNull(root);
assertEquals("C:/", root.getPath());
root2 = LocalFileSystem.getInstance().findFileByPath("C:\\");
assertEquals(String.valueOf(root2), root, root2);
}
} else if (SystemInfo.isUnix) {
root = LocalFileSystem.getInstance().findFileByPath("/");
assertNotNull(root);
assertEquals(root.getPath(), "/");
}
root = LocalFileSystem.getInstance().findFileByPath("");
assertNotNull(root);
File jarFile = IoTestUtil.createTestJar();
root = VirtualFileManager.getInstance().findFileByUrl("jar://" + jarFile.getPath() + "!/");
assertNotNull(root);
root2 =
VirtualFileManager.getInstance()
.findFileByUrl("jar://" + jarFile.getPath().replace(File.separator, "//") + "!/");
assertEquals(String.valueOf(root2), root, root2);
if (!SystemInfo.isFileSystemCaseSensitive) {
root2 =
VirtualFileManager.getInstance()
.findFileByUrl("jar://" + jarFile.getPath().toUpperCase(Locale.US) + "!/");
assertEquals(String.valueOf(root2), root, root2);
}
}
public void testFileLength() throws Exception {
File file = FileUtil.createTempFile("test", "txt");
FileUtil.writeToFile(file, "hello");
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
String s = VfsUtilCore.loadText(virtualFile);
assertEquals("hello", s);
assertEquals(5, virtualFile.getLength());
FileUtil.writeToFile(file, "new content");
((PersistentFSImpl) PersistentFS.getInstance()).cleanPersistedContents();
s = VfsUtilCore.loadText(virtualFile);
assertEquals("new content", s);
assertEquals(11, virtualFile.getLength());
}
public void testRefreshSeesLatestDirectoryContents() throws Exception {
File testDir = FileUtil.createTempDirectory("RefreshChildrenTest." + getName(), null);
String content = "";
FileUtil.writeToFile(new File(testDir, "Foo.java"), content);
LocalFileSystem local = LocalFileSystem.getInstance();
VirtualFile virtualDir = local.findFileByIoFile(testDir);
assert virtualDir != null : testDir;
virtualDir.getChildren();
virtualDir.refresh(false, true);
checkChildCount(virtualDir, 1);
FileUtil.writeToFile(new File(testDir, "Bar.java"), content);
virtualDir.refresh(false, true);
checkChildCount(virtualDir, 2);
}
public void testCopyToPointDir() throws Exception {
File top = createTempDirectory(false);
File sub = IoTestUtil.createTestDir(top, "sub");
File file = IoTestUtil.createTestFile(top, "file.txt", "hi there");
LocalFileSystem lfs = LocalFileSystem.getInstance();
VirtualFile topDir = lfs.refreshAndFindFileByIoFile(top);
assertNotNull(topDir);
VirtualFile sourceFile = lfs.refreshAndFindFileByIoFile(file);
assertNotNull(sourceFile);
VirtualFile parentDir = lfs.refreshAndFindFileByIoFile(sub);
assertNotNull(parentDir);
assertEquals(2, topDir.getChildren().length);
try {
sourceFile.copy(this, parentDir, ".");
fail("Copying a file into a '.' path should have failed");
} catch (IOException e) {
System.out.println(e.getMessage());
}
topDir.refresh(false, true);
assertTrue(topDir.exists());
assertEquals(2, topDir.getChildren().length);
}
@NotNull
private static List<VFileEvent> validateEvents(@NotNull List<VFileEvent> events) {
final List<EventWrapper> deletionEvents = ContainerUtil.newArrayList();
for (int i = 0, size = events.size(); i < size; i++) {
final VFileEvent event = events.get(i);
if (event instanceof VFileDeleteEvent && event.isValid()) {
deletionEvents.add(new EventWrapper((VFileDeleteEvent) event, i));
}
}
final TIntHashSet invalidIDs;
if (deletionEvents.isEmpty()) {
invalidIDs = EmptyIntHashSet.INSTANCE;
} else {
ContainerUtil.quickSort(deletionEvents, DEPTH_COMPARATOR);
invalidIDs = new TIntHashSet(deletionEvents.size());
final Set<VirtualFile> dirsToBeDeleted = new THashSet<VirtualFile>(deletionEvents.size());
nextEvent:
for (EventWrapper wrapper : deletionEvents) {
final VirtualFile candidate = wrapper.event.getFile();
VirtualFile parent = candidate;
while (parent != null) {
if (dirsToBeDeleted.contains(parent)) {
invalidIDs.add(wrapper.id);
continue nextEvent;
}
parent = parent.getParent();
}
if (candidate.isDirectory()) {
dirsToBeDeleted.add(candidate);
}
}
}
final List<VFileEvent> filtered = new ArrayList<VFileEvent>(events.size() - invalidIDs.size());
for (int i = 0, size = events.size(); i < size; i++) {
final VFileEvent event = events.get(i);
if (event.isValid() && !(event instanceof VFileDeleteEvent && invalidIDs.contains(i))) {
filtered.add(event);
}
}
return filtered;
}
@Override
public void renameFile(
final Object requestor, @NotNull final VirtualFile file, @NotNull final String newName)
throws IOException {
getDelegate(file).renameFile(requestor, file, newName);
processEvent(
new VFilePropertyChangeEvent(
requestor, file, VirtualFile.PROP_NAME, file.getName(), newName, false));
}
@Override
@NotNull
public byte[] contentsToByteArray(@NotNull final VirtualFile file, boolean cacheContent)
throws IOException {
InputStream contentStream = null;
boolean reloadFromDelegate;
boolean outdated;
int fileId;
synchronized (myInputLock) {
fileId = getFileId(file);
outdated = checkFlag(fileId, MUST_RELOAD_CONTENT) || FSRecords.getLength(fileId) == -1L;
reloadFromDelegate = outdated || (contentStream = readContent(file)) == null;
}
if (reloadFromDelegate) {
final NewVirtualFileSystem delegate = getDelegate(file);
final byte[] content;
if (outdated) {
// in this case, file can have out-of-date length. so, update it first (it's needed for
// correct contentsToByteArray() work)
// see IDEA-90813 for possible bugs
FSRecords.setLength(fileId, delegate.getLength(file));
content = delegate.contentsToByteArray(file);
} else {
// a bit of optimization
content = delegate.contentsToByteArray(file);
FSRecords.setLength(fileId, content.length);
}
ApplicationEx application = (ApplicationEx) ApplicationManager.getApplication();
// we should cache every local files content
// because the local history feature is currently depends on this cache,
// perforce offline mode as well
if ((!delegate.isReadOnly()
||
// do not cache archive content unless asked
cacheContent && !application.isInternal() && !application.isUnitTestMode())
&& content.length <= PersistentFSConstants.FILE_LENGTH_TO_CACHE_THRESHOLD) {
synchronized (myInputLock) {
writeContent(file, new ByteSequence(content), delegate.isReadOnly());
setFlag(file, MUST_RELOAD_CONTENT, false);
}
}
return content;
} else {
try {
final int length = (int) file.getLength();
assert length >= 0 : file;
return FileUtil.loadBytes(contentStream, length);
} catch (IOException e) {
throw FSRecords.handleError(e);
}
}
}
public void testBadFileName() throws Exception {
if (!SystemInfo.isUnix) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
final File dir = FileUtil.createTempDirectory("test.", ".dir");
final File file = FileUtil.createTempFile(dir, "test\\", "\\txt", true);
final VirtualFile vDir = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(dir);
assertNotNull(vDir);
assertEquals(0, vDir.getChildren().length);
((VirtualFileSystemEntry) vDir).markDirtyRecursively();
vDir.refresh(false, true);
final VirtualFile vFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNull(vFile);
}
private ArchiveRoot(
@NotNull NewVirtualFileSystem fs,
int id,
VfsData.Segment segment,
VfsData.DirectoryData data,
VirtualFile parentLocalFile) {
super(id, segment, data, fs);
myParentLocalFile = parentLocalFile;
myParentPath = myParentLocalFile.getPath();
}
public void testHardLinks() throws Exception {
if (!SystemInfo.isWindows && !SystemInfo.isUnix) {
System.err.println(getName() + " skipped: " + SystemInfo.OS_NAME);
return;
}
final boolean safeWrite = GeneralSettings.getInstance().isUseSafeWrite();
final File dir = FileUtil.createTempDirectory("hardlinks.", ".dir", false);
final SafeWriteRequestor requestor = new SafeWriteRequestor() {};
try {
GeneralSettings.getInstance().setUseSafeWrite(false);
final File targetFile = new File(dir, "targetFile");
assertTrue(targetFile.createNewFile());
final File hardLinkFile =
IoTestUtil.createHardLink(targetFile.getAbsolutePath(), "hardLinkFile");
final VirtualFile file = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(targetFile);
assertNotNull(file);
file.setBinaryContent("hello".getBytes("UTF-8"), 0, 0, requestor);
assertTrue(file.getLength() > 0);
final VirtualFile check =
LocalFileSystem.getInstance().refreshAndFindFileByIoFile(hardLinkFile);
assertNotNull(check);
assertEquals(file.getLength(), check.getLength());
assertEquals("hello", VfsUtilCore.loadText(check));
} finally {
GeneralSettings.getInstance().setUseSafeWrite(safeWrite);
FileUtil.delete(dir);
}
}
private void executeDelete(@NotNull VirtualFile file) {
if (!file.exists()) {
LOG.error("Deleting a file, which does not exist: " + file.getPath());
return;
}
clearIdCache();
int id = getFileId(file);
final VirtualFile parent = file.getParent();
final int parentId = parent == null ? 0 : getFileId(parent);
if (parentId == 0) {
String rootUrl =
normalizeRootUrl(file.getPath(), (NewVirtualFileSystem) file.getFileSystem());
myRootsLock.writeLock().lock();
try {
myRoots.remove(rootUrl);
myRootsById.remove(id);
FSRecords.deleteRootRecord(id);
} finally {
myRootsLock.writeLock().unlock();
}
} else {
removeIdFromParentList(parentId, id, parent, file);
VirtualDirectoryImpl directory = (VirtualDirectoryImpl) file.getParent();
assert directory != null : file;
directory.removeChild(file);
}
FSRecords.deleteRecordRecursively(id);
invalidateSubtree(file);
}
public void testRefreshAndFindFile() throws Exception {
File dir = createTempDirectory();
VirtualFile vFile =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(dir.getPath().replace(File.separatorChar, '/'));
assertNotNull(vFile);
vFile.getChildren();
for (int i = 0; i < 100; i++) {
File subdir = new File(dir, "a" + i);
assertTrue(subdir.mkdir());
}
File subdir = new File(dir, "aaa");
assertTrue(subdir.mkdir());
VirtualFile file =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(subdir.getPath().replace(File.separatorChar, '/'));
assertNotNull(file);
}
public void testCopyDir() throws Exception {
File fromDir = createTempDirectory();
File toDir = createTempDirectory();
VirtualFile fromVDir =
LocalFileSystem.getInstance()
.findFileByPath(fromDir.getPath().replace(File.separatorChar, '/'));
VirtualFile toVDir =
LocalFileSystem.getInstance()
.findFileByPath(toDir.getPath().replace(File.separatorChar, '/'));
assertNotNull(fromVDir);
assertNotNull(toVDir);
final VirtualFile dirToCopy = fromVDir.createChildDirectory(this, "dir");
final VirtualFile file = dirToCopy.createChildData(this, "temp_file");
file.setBinaryContent(new byte[] {0, 1, 2, 3});
final String newName = "dir";
final VirtualFile dirCopy = dirToCopy.copy(this, toVDir, newName);
assertEquals(newName, dirCopy.getName());
PlatformTestUtil.assertDirectoriesEqual(toVDir, fromVDir);
}
@Override
public VirtualFile copyFile(
Object requestor,
@NotNull VirtualFile file,
@NotNull VirtualFile parent,
@NotNull String name)
throws IOException {
getDelegate(file).copyFile(requestor, file, parent, name);
processEvent(new VFileCopyEvent(requestor, file, parent, name));
final VirtualFile child = parent.findChild(name);
if (child == null) {
throw new IOException("Cannot create child");
}
return child;
}
public void testSingleFileRootRefresh() throws Exception {
File file = FileUtil.createTempFile("test.", ".txt");
VirtualFile virtualFile = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(file);
assertNotNull(virtualFile);
assertTrue(virtualFile.exists());
assertTrue(virtualFile.isValid());
virtualFile.refresh(false, false);
assertFalse(((VirtualFileSystemEntry) virtualFile).isDirty());
FileUtil.delete(file);
assertFalse(file.exists());
virtualFile.refresh(false, false);
assertFalse(virtualFile.exists());
assertFalse(virtualFile.isValid());
}
private static boolean writeAttributesToRecord(
final int id,
final int parentId,
@NotNull VirtualFile file,
@NotNull NewVirtualFileSystem fs,
@NotNull FileAttributes attributes) {
String name = file.getName();
if (!name.isEmpty()) {
if (namesEqual(fs, name, FSRecords.getName(id)))
return false; // TODO: Handle root attributes change.
} else {
if (areChildrenLoaded(id)) return false; // TODO: hack
}
FSRecords.writeAttributesToRecord(id, parentId, attributes, name);
return true;
}
public void testCopyFile() throws Exception {
File fromDir = createTempDirectory();
File toDir = createTempDirectory();
VirtualFile fromVDir =
LocalFileSystem.getInstance()
.findFileByPath(fromDir.getPath().replace(File.separatorChar, '/'));
VirtualFile toVDir =
LocalFileSystem.getInstance()
.findFileByPath(toDir.getPath().replace(File.separatorChar, '/'));
assertNotNull(fromVDir);
assertNotNull(toVDir);
final VirtualFile fileToCopy = fromVDir.createChildData(this, "temp_file");
final byte[] byteContent = {0, 1, 2, 3};
fileToCopy.setBinaryContent(byteContent);
final String newName = "new_temp_file";
final VirtualFile copy = fileToCopy.copy(this, toVDir, newName);
assertEquals(newName, copy.getName());
assertTrue(Arrays.equals(byteContent, copy.contentsToByteArray()));
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
if (basePath.isEmpty()) {
LOG.error("Invalid root, fs=" + fs);
return null;
}
String rootUrl = normalizeRootUrl(basePath, fs);
myRootsLock.readLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
final VirtualFileSystemEntry newRoot;
int rootId = FSRecords.findRootRecord(rootUrl);
VfsData.Segment segment = VfsData.getSegment(rootId, true);
VfsData.DirectoryData directoryData = new VfsData.DirectoryData();
if (fs instanceof ArchiveFileSystem) {
String parentPath =
basePath.substring(0, basePath.indexOf(ArchiveFileSystem.ARCHIVE_SEPARATOR));
VirtualFile parentFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentFile == null) return null;
FileType type = FileTypeRegistry.getInstance().getFileTypeByFileName(parentFile.getName());
if (!(type instanceof ArchiveFileType)) return null;
newRoot = new ArchiveRoot(fs, rootId, segment, directoryData, parentFile);
} else {
newRoot = new FsRoot(fs, rootId, segment, directoryData, basePath);
}
FileAttributes attributes =
fs.getAttributes(
new StubVirtualFile() {
@NotNull
@Override
public String getPath() {
return newRoot.getPath();
}
@Nullable
@Override
public VirtualFile getParent() {
return null;
}
});
if (attributes == null || !attributes.isDirectory()) {
return null;
}
boolean mark = false;
myRootsLock.writeLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
VfsData.initFile(rootId, segment, -1, directoryData);
mark = writeAttributesToRecord(rootId, 0, newRoot, fs, attributes);
myRoots.put(rootUrl, newRoot);
myRootsById.put(rootId, newRoot);
} finally {
myRootsLock.writeLock().unlock();
}
if (!mark && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
newRoot.markDirtyRecursively();
}
LOG.assertTrue(
rootId == newRoot.getId(),
"root=" + newRoot + " expected=" + rootId + " actual=" + newRoot.getId());
return newRoot;
}
@NotNull
@Override
public CharSequence getNameSequence() {
return myParentLocalFile.getName();
}
@NotNull
@Override
public String getName() {
return myParentLocalFile.getName();
}
@NotNull
private static NewVirtualFileSystem getDelegate(@NotNull VirtualFile file) {
return (NewVirtualFileSystem) file.getFileSystem();
}